名词单数变复数family country army city story baby butterfly country m toy piay day key boy

为你解答-名词单数变复数。

family-families,家庭

country-countries,国家

army-armies,军队

city-cities,城市

story-stories,故事

baby-babies,婴儿

butterfly-butterflies,蝴蝶

country-countries,国家

toy-toys,玩具

play-plyays,戏剧

day-days,白天

key-keys,钥匙

boy-boys,男孩